Ack. somehow the post lost the second part of my post.. In the save game I uploaded, If you go to the series of 'WAIT' train stops, thats my central station... Then the train loaded with steel thats just due south of it, facing west, about to turn north, is one of the trains that exhibits the proble...

Edit: seems that this was a timing/cycle issue in my circuits. Hi all. I have a weird problem thats driving me nuts. I created a central train depot, where all trains go through. Each train only serves one type of product (ie: iron train, green circuits train, etc) I have the same name for the stops...

Factorio crashes while attempting to delete a train engine. Running on OSX 10.12.4, 2.8Ghz i7, 16G w/ AMD Radeon R9 M370X 2048 MB and Intel Iris Pro 1536 MB graphics.

Load the save, follow tracks south, and delete the train engine facing west.